Organized batches of aluminum housings, steel shafts, brass bushings and molded covers in protective trays

بيت / خدمات / عقد تصنيع

OEM COMPONENT PROGRAMS · DONGGUAN, الصين

Contract Manufacturing Services for Custom OEM Parts

Metal and plastic component production, coordinated from DFM review to repeat orders and delivery.

TOPS Precision supports OEMs, engineering companies and industrial equipment manufacturers worldwide with in-house CNC machining, يموت الصب, sheet metal fabrication and injection molding.

From a prototype or pilot run to recurring orders, we help simplify supplier coordination and manufacture against your approved drawings and specifications.

Share drawings, الحجم السنوي, مادة, quality requirements and delivery location for an engineering review.

Four core processes. في المنزل.CNC machining · Die casting
Sheet metal · Injection molding
ايزو 9001:2015Quality management
10+ سنينتجربة التصنيع
± 0.005 ممSuitable CNC features only*
100+ موادMetal and plastic options
Prototype → RepeatProduction program support

More than individual machining operations

OEM Contract Manufacturing Solutions

Contract manufacturing lets an original equipment manufacturer outsource a defined scope of component production to a specialist partner. TOPS focuses on custom-engineered metal and plastic parts, connecting manufacturing with production planning, quality verification and international order fulfilment.

REVIEW

هندسة & سوق دبي المالي

Review drawings, قابلية التصنيع, critical features and the production requirements before agreeing a route.

SOURCE

Material Procurement

Source the specified grade and condition, review availability and define the required material evidence.

MAKE

Parts Manufacturing

Plan and carry out machining, صب, fabrication or molding for the agreed part numbers and quantities.

VERIFY

فحص الجودة

Define inspection checkpoints, critical dimensions and acceptance criteria before production begins.

يكرر

Repeat Production

Manufacture recurring orders against approved specifications and clearly identified revisions.

DELIVER

International Delivery

Prepare agreed packaging, order identification and shipping documents, then coordinate delivery arrangements.

  1. Define the scopeأجزاء, مادة, quantities and responsibilities
  2. Approve the revisionرسم, tooling and acceptance requirements
  3. Verify the batchChecks and records against the agreed plan
  4. Release for deliveryقبول, identification and packaging

Core production performed in-house

Custom Metal and Plastic Contract Manufacturing Capabilities

Choose the manufacturing route for the program, not just the first part. الأدوات, inspection and secondary operations are assessed with the drawing, forecast and expected order pattern.

CNC Machining Contract Manufacturing component examplesIN-HOUSE CORE PROCESS

CNC Machining Contract Manufacturing

Precision milling, turning and secondary machining for repeat OEM components with drawing-defined features.

Program fit: النماذج الأولية, تركيبات, tight-tolerance components and recurring machined parts.

اكتشف التصنيع باستخدام الحاسب الآلي →
Sheet Metal Contract Manufacturing component examplesIN-HOUSE CORE PROCESS

Sheet Metal Contract Manufacturing

قطع, الانحناء, forming and fabrication of panels, enclosures and mechanical structures.

Program fit: يغطي المعدات, electronics enclosures, brackets and repeat fabricated assemblies.

Explore Sheet Metal →

*Tolerances down to ±0.005 mm apply to suitable CNC-machined features after review. They are not a general tolerance for every cast, molded or formed part. Surface-finishing location and any outside processing are identified in the quotation rather than assumed to be in-house.

Make responsibilities visible before an order

What TOPS Manages During Your Contract Manufacturing Project

A useful outsourcing agreement defines the work, the approval points and the evidence needed to accept a batch. The table below provides the starting framework for that conversation.

Program activityTOPS coordination scopeBuyer approval / input
مراجعة هندسيةDrawing and tolerance review, material selection and DFM.Release current drawings; identify application and critical features.
شراءSpecified raw material procurement, verification requirements and supplier coordination.Approve grade, condition and any nominated material source.
الأدواتقالب, fixture and machining setup preparation where required.Agree tooling scope, ownership, approval criteria and any changes.
Production planningQuantities, التوجيه, milestones and production scheduling.Confirm forecast, release quantities and required dates.
تصنيعIn-house CNC, صب, molding and sheet metal; agreed secondary operations.Approve the route and identify any restricted or nominated processes.
جودةInspection planning, dimensional checks and agreed material/process records.Define acceptance criteria, sampling and report requirements.
Engineering changesReview revision changes before implementing a changed specification.Approve the new revision and disposition of existing stock or WIP.
Order fulfilmentالتعبئة والتغليف, تعريف, shipping documents and international delivery coordination.Confirm destination, packaging requirements and commercial delivery terms.

Performed directly

التصنيع باستخدام الحاسب الآلي, يموت الصب, sheet metal fabrication and injection molding are completed in-house at TOPS. The agreed program scope connects these processes with engineering review and quality control.

المعالجة الثانوية & مصادر

Raw materials and secondary processes follow the approved specification. Finishing location and any external processing responsibilities are confirmed during quotation, including how requirements and acceptance records are passed between operations.

From a first build to recurring releases

Scalable Contract Manufacturing from Prototype to Repeat Production

01 · DEVELOP

النماذج الأولية

Establish fit, function and the features that control the component’s performance.

نِطَاق: CAD and drawing review, اختيار المواد, prototype manufacture and DFM adjustments.

Approval gate: Approve the design direction and required changes before committing to the production route.
02 · VALIDATE

Pilot & إنتاج منخفض الحجم

Check the proposed manufacturing route before relying on it for recurring releases.

نِطَاق: دفعات صغيرة, tooling or fixture validation where relevant, critical-feature inspection and report review.

Approval gate: Confirm the approved specification, inspection checkpoints and production-readiness requirements.
03 · REPEAT

Repeat Production

Support recurring part orders against a controlled manufacturing baseline.

نِطَاق: مراجعات الرسم المعتمدة, متطلبات المواد, production planning, repeat checks and coordinated shipments.

Approval gate: Approve any revision, schedule or scope change before it is implemented.
Not every part needs production tooling.

CNC machining can suit lower quantities or complex features. Die casting and injection molding become attractive when volume, geometry and tooling economics justify them. The production forecast should inform the process decision.

Repeatability is a program requirement

Quality Control for OEM Contract Manufacturing

One acceptable prototype is not enough for a recurring program. Quality requirements must connect material, عملية, critical dimensions and final acceptance across subsequent batches.

  1. التحقق من المواد

    Review the specified grade, condition and certificates. Agree incoming checks and traceability requirements.

  2. التفتيش المقال الأول

    Verify agreed critical dimensions against the approved drawing and review the first-article record.

  3. المراقبة أثناء العملية

    Check designated characteristics during production, using intervals and methods suited to the process risk.

  4. التفتيش النهائي

    Confirm the manufactured parts against the agreed acceptance criteria in the required final condition.

  5. Production Records

    Prepare the agreed dimensional reports, material evidence and batch-related documentation for release.

Inspection personnel and measurement equipment from the existing TOPS website photo library
Inspection equipment & الوثائق

سم, optical measurement and suitable gauges are selected around the feature. XRF may support appropriate alloy screening. Specify FAI, تقارير الأبعاد, شهادات المواد, RoHS documentation and CoC during quotation.

Specify report format, critical characteristics and traceability requirements at RFQ stage. Availability and disclosure of sample inspection records are agreed within the project scope.

ايزو 9001:2015 is a quality management system certification. It does not automatically guarantee a particular tolerance or aerospace, medical or automotive approval. Specialist requirements must be identified and agreed for the project.

Keep scope and revisions under control

Reliable Production Planning and Supplier Coordination

للمشترين OEM, supply continuity depends on practical decisions: the correct material, an approved revision, defined checks and a schedule that reflects the actual scope.

CNC machining workshop image from the existing TOPS website library

توافر المواد

Review specified alloys and engineering plastics against the forecast. Identify stock condition, procurement lead times and any source restrictions before confirming a schedule.

Production scheduling

Agree production milestones, release quantities and required dates. Establish the contact and communication points for order status and changes.

Engineering change control

Review material, الأدوات, inspection and WIP effects before implementing a new drawing revision. Agree the effective order or batch and treatment of existing parts.

Repeat order consistency

Reference the approved drawing, مادة, route and inspection requirements on each repeat release. Discuss changes rather than substituting an assumption for approval.

المعالجة الثانوية

Coordinate heat treatment, أنودة, تصفيح, powder coating and other agreed operations. Review dimensional effects and which requirements apply after finishing.

التعبئة والتغليف & الخدمات اللوجستية

Define packaging, part identification, shipping documents and international delivery arrangements. Confirm destination, commercial terms and any special protection needs.

Program-specific arrangements are agreed during quotation. This page does not advertise VMI, consignment stock, blanket purchase-order programs, ERP integrations or guaranteed supply agreements.

Coordinate the finished component

Materials and Surface Finishes for Contract-Manufactured Parts

Material and finishing requirements belong in the program scope. State the exact grade, حالة, coating and final inspection requirements rather than relying on a general material family.

Material categoryأمثلةTypical application / مراجعة
الألومنيوم6061, 5052, 7075, A380العلب, brackets and lightweight components; wrought and casting grades are process-specific.
الفولاذ المقاوم للصدأ304, 316, 17-4 الرقم الهيدروجينيIndustrial components and parts requiring specified corrosion resistance.
الكربون / alloy steels1045, فولاذ الأداةمهاوي, fixtures and machine components with agreed condition or hardness.
نحاس & نحاسC360, C260, نحاستوصيلات, conductive parts and mechanical components.
Advanced alloysالتيتانيوم, إنكونيلSpecialized engineering components, subject to exact alloy and route review.
البلاستيك الهندسيعضلات المعدة, بوم, الكمبيوتر, نظرة خاطفة, نايلونالعلب, العوازل, sliding components and other material-appropriate parts.
أنودةأنودة صعبةتصفيحالتخميلالصدمة الكهربائيةطلاء مسحوقتلميعالمعالجة الحرارية

We review how secondary operations affect fit, surface condition and acceptance. Finishing location and any external process responsibilities are confirmed with the quotation.

Defined component scope for industrial buyers

Contract Manufacturing Solutions for Industrial OEMs

المعدات الطبية

معدات طبية

المساكن الميكانيكية, mounting components and precision fixtures.

Explore Medical Components →
AEROSPACE EQUIPMENT

معدات الفضاء

Structural and mechanical components, subject to the applicable project requirements.

Explore Aerospace Machining →

Applications describe component families, not a claim of industry-specific certification or product approval. Actual customer projects and any special requirements should be reviewed separately.

Make the sourcing decision easier

Why Partner with TOPS for Contract Manufacturing?

A long-term manufacturing relationship needs visible responsibilities and evidence. These are the buyer concerns we work through when defining the program.

Customer concernTOPS responseEvidence to agree
Too many suppliersCoordinate CNC, صب, sheet metal and molding through one supplier relationship.A defined part list, scope of supply and named contact for the program.
Difficult-to-machine componentsApply DFM and multi-axis machining to review critical geometry.An agreed manufacturing route and clarified critical features.
Prototype-to-production transitionReview the production method as demand and design maturity change.Prototype and pilot acceptance criteria before repeat production.
Dimensional inconsistencyDefine inspection requirements and production checkpoints.An agreed inspection plan, first-article record and required reports.
Complex materials and finishesCoordinate material sourcing and secondary processing.Approved grade, حالة, coating and final-condition requirements.
Overseas communicationIdentify a contact for technical and commercial coordination.Clear drawing revision, milestones and order-status communication points.
Repeated purchase ordersManufacture against controlled, approved specifications.Part numbers, المراجعات, release quantities and change approvals.

Evidence that belongs to your business

OEM Contract Manufacturing Program Examples

See how an OEM component program can connect the drawing, manufacturing route, inspection requirements and repeat-order plan.

These examples explain how a manufacturing program can be structured. They illustrate relevant component families and are not claims of completed customer projects or verified production results.
Precision Aluminum Housing illustrative component family

PROGRAM EXAMPLE 1

Precision Aluminum Housing

An aluminum housing program connects material selection, machined interfaces, finishing and the inspection plan before repeat releases.

MANUFACTURING ROUTE EXAMPLE
مادة / درجة
Drawing-specified aluminum grade
كمية / الحجم السنوي
Release quantity and annual forecast
Critical tolerance
Agreed critical CNC features
التشطيب
Approved coating / حالة السطح
تقتيش
FAI and dimensional checks as specified
Production sequence
Drawing review → CNC machining → finishing → dimensional verification
What to define for this program →

Define the aluminum grade, release quantity, critical interfaces, التشطيب, inspection method, drawing revision and repeat-order requirements.

Cast Component with Secondary CNC Machining illustrative component family

PROGRAM EXAMPLE 2

Cast Component with Secondary CNC Machining

A cast component program connects tooling approval, the casting route and secondary machining of critical interfaces.

MANUFACTURING ROUTE EXAMPLE
مادة / درجة
Approved casting alloy
كمية / الحجم السنوي
Volume reviewed against tooling cost
Critical tolerance
Machined and cast features defined separately
التشطيب
Per approved specification
تقتيش
Agreed casting and final dimensional checks
Production sequence
Tooling approval → casting → secondary CNC machining → final inspection
What to define for this program →

Define alloy, tooling responsibility, casting route, machining datums, acceptance criteria, annual quantity and final finish.

Repeat Production of Precision Components illustrative component family

PROGRAM EXAMPLE 3

Repeat Production of Precision Components

A repeat component program connects the approved drawing revision, batch quantities and designated inspection checkpoints.

MANUFACTURING ROUTE EXAMPLE
مادة / درجة
Drawing-specified material grade
كمية / الحجم السنوي
Per release and annual demand
Critical tolerance
Agreed critical drawing dimensions
التشطيب
Per approved specification
تقتيش
Batch-related checks and records
Production sequence
Approved revision → production plan → designated checks → batch release
What to define for this program →

Define material, release quantities, annual demand, الأبعاد الحرجة, approved revision, inspection checkpoints and packaging.

From requirements to a released batch

How Our Contract Manufacturing Process Works

  1. Submit Your RFQ

    Share drawings, part numbers and revisions, مواد, annual quantities, tolerances and quality requirements.

  2. هندسة & DFM Review

    Evaluate manufacturability, العمليات, tooling needs and the technical and commercial scope.

  3. اقتباس & Approval

    Confirm pricing, estimated lead times, تحديد, documentation and production responsibilities.

  4. Production Preparation

    Arrange approved materials, الأدوات, تركيبات, inspection requirements and the production plan.

  5. تصنيع & تقتيش

    Produce the components and verify the agreed critical characteristics using the approved plan.

  6. التعبئة والتغليف & توصيل

    Complete final acceptance, part identification, packaging and the agreed shipping arrangements.

Discuss Your Manufacturing Project →

Direct answers for sourcing teams

Frequently Asked Questions About Contract Manufacturing

What is contract manufacturing?

Contract manufacturing is an arrangement in which an OEM outsources defined production responsibilities to a manufacturing partner. The scope can include material procurement, الأدوات, component production, تقتيش, secondary processing and delivery. A useful manufacturing agreement identifies the approved drawings, quality responsibilities, deliverables and change-approval process. TOPS focuses on custom-engineered metal and plastic components rather than making an undefined promise to supply every type of finished product.

What contract manufacturing services does TOPS Precision offer?

توفر TOPS Precision التصنيع باستخدام الحاسب الآلي, يموت الصب, sheet metal fabrication and plastic injection molding in-house. Contract manufacturing support includes engineering and DFM review, material procurement, production preparation, inspection planning and coordination of repeat orders and delivery. The quotation identifies the agreed scope, required documentation, secondary operations and any outside processing so responsibility is clear before production starts.

What is the difference between contract manufacturing and precision manufacturing?

Precision manufacturing describes making components to defined dimensional, متطلبات المواد والسطح. Contract manufacturing describes the wider outsourcing relationship: who procures materials, prepares tooling, controls revisions, manufactures, verifies quality and fulfils recurring orders. TOPS’s precision manufacturing page explains technical processes and tolerances; this page explains how those capabilities are coordinated for an OEM production program.

Does TOPS support OEM and custom component manufacturing?

نعم. TOPS supports custom metal and plastic components manufactured to customer-approved drawings and specifications. Send the intended application, مراجعة الرسم, الصف المادي, critical dimensions and expected demand. Engineering review establishes the manufacturing route and acceptance requirements; the quotation then defines tooling, إنتاج, inspection and delivery responsibilities. Product design ownership, confidentiality and tooling ownership should be agreed where relevant rather than assumed.

Can TOPS manage both metal and plastic component production?

نعم. TOPS combines in-house CNC machining, يموت الصب, sheet metal fabrication and injection molding for metal and plastic component programs. Each part is assessed separately for material behavior, الأدوات, geometry and inspection. Where a project includes several part numbers, provide a part list with quantities and drawing revisions so the scope and dependencies can be reviewed together. Secondary processing responsibilities are identified in the quotation.

Can you handle prototype and repeat production orders?

نعم. TOPS supports prototypes, pilot or low-volume batches and repeat production. Early builds establish fit, function and critical requirements. Pilot production reviews the proposed manufacturing route and inspection checkpoints. Subsequent orders follow the approved specification and revision. Tooling is considered when geometry and demand justify its cost; not every lower-volume component needs a casting or injection mold.

What quality control procedures are used for contract manufacturing?

TOPS uses material verification, فحص المادة الأولى, in-process measurement and final dimensional inspection according to the project’s agreed quality requirements. سم, optical measurement and suitable gauges are selected around the characteristics being checked. شهادات المواد, فاي, تقارير الأبعاد, RoHS documentation and CoC are specified during quotation. ايزو 9001:2015 concerns quality management; it does not automatically establish a particular tolerance or a specialist industry approval.

How does TOPS handle drawing revisions and engineering changes?

The current approved drawing and revision are identified before manufacture. A proposed change is reviewed for effects on material, الأدوات, features, تقتيش, work in progress, cost and schedule. The revised scope should be approved before changed parts are produced. Buyers should state the effective order or batch and how existing stock or work in progress is to be handled; those decisions are not assumed from a new drawing alone.

Can TOPS coordinate finishing, inspection and international shipping?

نعم. التشطيب, تقتيش, packaging and international delivery can be included in the agreed manufacturing scope. Specify coating type and thickness, مناطق ملثمة, final-condition inspection, التعبئة والتغليف, documentation and shipping destination. Any outside secondary processing should be identified with the manufacturing responsibilities. Incoterms, freight arrangements and delivery schedules are confirmed in the quotation or order; the page does not promise a fixed lead time or guaranteed delivery for every project.

What information should I provide for a contract manufacturing quotation?

Provide your 2D drawings and 3D models, part numbers and revisions, material grades, quantity per release and expected annual demand, التسامح, التشطيبات, quality documents, target delivery dates and destination. For a multi-part program, include a BOM or part list and identify assembly or packaging requirements. Note confidentiality or tooling-ownership requirements early. خطوة, سان تومي وبرينسيبي, إيجيس, قوات الدفاع الشعبي, DWG and DXF are suitable starting formats for review.

Start with the program, not just the part

Request an OEM Contract Manufacturing Quote

Share the drawing and the production context. We will review the process, مادة, quality requirements and responsibilities needed to quote your OEM program.

  • 2D drawings and 3D CAD files
  • Part numbers, BOM or part list and drawing revisions
  • درجات المواد, finishes and critical tolerances
  • Quantity per release and estimated annual demand
  • تقتيش, documentation and traceability requirements
  • Target dates, shipping country and delivery location

خطوة | سان تومي وبرينسيبي | إيجيس | قوات الدفاع الشعبي | DWG | دكسف

Discuss confidentiality early.
State any NDA, drawing-handling or tooling-ownership requirements before sending restricted project information.

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info@tops-precision.com

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      يتم استخدام التفاصيل والملفات الخاصة بك لمراجعة استفسارك والرد عليه. ناقش أي متطلبات لاتفاقية عدم الإفشاء قبل إرسال معلومات سرية.

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